Aptitude and Reasoning Questions

Q:

A solid sphere has a radius 21 cm. It is melted to form a cube. 20% material is wasted in this process. The cube is melted to form hemisphere. In this process 20% material is wasted. The hemisphere is melted to form two spheres of equal radius. 20% material was also wasted in this process. What is the radius (in cm) of each new sphere?

A) 4.2 (23) B) 2.1 23
C) 2.1 43 D) 4.2 43
 
Answer & Explanation Answer: B) 2.1 23

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

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Q:

If 15@7=44; 5@4=18; 6@17=46; then what is the value of 17@4=?

A) 36 B) 42
C) 40 D) 49
 
Answer & Explanation Answer: B) 42

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Filed Under: Coding and Decoding
Exam Prep: Bank Exams

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Q:

A sum of Rs 2489 is divided among A, B and C such that if Rs 12, Rs 12 and Rs 5 be diminish from the shares of A, B and C respectively, then theirshares will be in the ratio of 5 : 3 : 4. What is the new share (in Rs) of C?

A) 750 B) 1060
C) 1475 D) 820
 
Answer & Explanation Answer: D) 820

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Filed Under: Partnership
Exam Prep: Bank Exams

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Q:

If 7x - (3/2) * (4x - 9) = 6.5, then the value of x is?

A) 7 B) 20
C) -7 D) -20
 
Answer & Explanation Answer: C) -7

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

If x2 + (1/x2) = 1, then what is the value of x48 + x42 + x36 + x30 + x24 + x18 + x12 + x6 + 1?

A) -9 B) 0
C) 1 D) 9
 
Answer & Explanation Answer: C) 1

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

Robin can do a work alone in 9 days. Amit can do the same work alone in 6 days. Both of them finish the work together and they get a total Rs 2500. What isthe share (in Rs) of Robin?

A) 1700 B) 1200
C) 1500 D) 1000
 
Answer & Explanation Answer: D) 1000

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Filed Under: Time and Work

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Q:

Rahul nd Raghav are 110 km apart from each other and they started horse-riding towards each other at same time at a speed of 20 kmph and 24 kmph. After how many hours of riding will they be a distance of 22 km?

A) 1 hour B) 1 hour 30 min
C) 2 hours D) 2 hours 30 min
 
Answer & Explanation Answer: C) 2 hours

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Filed Under: Time and Distance
Exam Prep: Bank Exams

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Q:

ABCD is square and CDE is an equilateral triangle outside the square. What is the value (in degrees) of ∠BEC?

A) 15 B) 30
C) 25 D) 10
 
Answer & Explanation Answer: A) 15

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Filed Under: Area
Exam Prep: Bank Exams

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